MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it's part of a link farm designed to host numerous links on disposable domains. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt, likely leveraging embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/1c033cf6d27292e466ccfb28e8709aff/20310001085.pdf In PDF document text
- https://kopari.hu/files/file/15022376513.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/dazigivozadojotafew.pdfIn PDF document text
- https://thanaclusterwestgate.leaddeehub.com/userfiles/files/diniselixegumiwugedipux.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/92597207707.pdfIn PDF document text
- http://k12kos.com/ckfinder/userfiles/files/24219323177.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/78472355653.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/redababepalimawizob.pdfIn PDF document text
- http://arucax.am/user_images/file/levuteropax.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/61968229987.pdfIn PDF document text
- http://1666-3668.com/attach/userfiles/file/34736700631.pdfIn PDF document text
- http://gekon.net/userfiles/file/79668738205.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/pabebemenunatudaxazofux.pdfIn PDF document text
- https://xinpayflow.com/ckfinder/userfiles/files/12563462652.pdfIn PDF document text
- https://luatsuavina.com/userfiles/file/66082286543.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/beduxaxenir.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/69023062659676284c99a3db8c6dd2e9/80209357196.pdfIn PDF document text
- https://rajaketiga.com/contents/files/64636913427.pdfIn PDF document text
- https://makojudo.pl/zdjecia/fck/file/67129099474.pdfIn PDF document text
- http://artattack-concerts.de/files/file/tigomiretevekuxor.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/62454875369.pdfIn PDF document text
- http://claudiamelchior.it/images/file/53999245663.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/65184105800.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=android+ratingbar+stylePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b049.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB049 | 10660 bytes |
SHA-256: d75c08de66381c65f4e90bd78587f33e01972c372e3a601d0eb25a716b923bb0 |
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font_01_sfnt_off0000c8a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B9 | 15712 bytes |
SHA-256: 74b57a2bf23bddf40c9f4cb3fc67d3c588ccdd3a2af517692ac684f101113f7a |
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